A.RG-6
B.CAT5e
C.Fiber
D.RG-59
第1题:
A.CAN 2.0A,CAN 2.0C
B.CAN 2.0C
C.CAN 2.0B,CAN 2.0C
D.CAN 2.0A,CAM 2.0B
第2题:
A. ISDN
B. DSL
C. Satellite
D. Cable
第3题:
A.Tonegenerator
B.Multimeter
C.Punch-downtool
D.Cabletester
第4题:
A. Redundant power supplies with one power supply connected and one power supply as a hot spare.
B. Redundant power supplies with each connected to a separate power circuit.
C. Redundant power supplies connected via a Y-cable.
D. Redundant power supplies with each connected to the same power circuit.
第5题:
A.3
B.4
C.6
D.8
第6题:
A.34线的cable
B.40线的cable
C.50线的cable
D.80线的cable